<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>算本息和</title>
    <script>
        var sum =prompt("请输入存款金额");
        var x=0.0275;
        alert(parseInt(sum)*x*5+parseInt(sum));
    </script>
</head>
<body>
    
</body>
</html>